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Contents
- Weather in January
- Weather in February
- Weather in March
- Weather in April
- Weather in May
- Weather in June
- Weather in July
- Weather in August
- Weather in September
- Weather in October
- Weather in November
- Weather in December
- Frequently asked questions
- Average temperature
- Average pressure
- Average wind speed
- Average humidity
- Average rainfall
- Average rainfall days
- Average snowfall
- Average snowfall days
- Average daylight
- Average sunshine
- Average sunshine days
- Average UV index
- Average cloud cover
- Average visibility
Weather in January
January, the same as December, in Bethesda, Tennessee, is a frosty winter month, with temperature in the range of an average high of 45.3°F (7.4°C) and an average low of 30.9°F (-0.6°C). Bethesda experiences its lowest average temperatures in January, reaching a peak of 45.3°F (7.4°C) and a minimum of 30.9°F (-0.6°C). Weather in January »
Weather in February
February, the last month of the winter in Bethesda, is a cool month, with temperature in the range of an average low of 34.7°F (1.5°C) and an average high of 50.2°F (10.1°C). Bethesda experiences a transition to a cool 50.2°F (10.1°C) in average high-temperatures with the arrival of February, not greatly differing from January's 45.3°F (7.4°C). Weather in February »
Weather in March
The first month of the spring, March, is a refreshing month in Bethesda, Tennessee, with an average temperature ranging between max 58.8°F (14.9°C) and min 42.1°F (5.6°C). As March arrives, Bethesda's weather shows a minor increase in high-temperatures, edging from February's cool 50.2°F (10.1°C) to a moderate 58.8°F (14.9°C). Weather in March »
Weather in April
April is a pleasant spring month in Bethesda, Tennessee, with an average temperature ranging between min 49.8°F (9.9°C) and max 68.9°F (20.5°C). The shift from March to April is marked by an increase in the average high-temperature, moving from a mild 58.8°F (14.9°C) to an agreeable 68.9°F (20.5°C). Weather in April »
Weather in May
May, the last month of the spring in Bethesda, is a moderately hot month, with an average temperature fluctuating between 58.6°F (14.8°C) and 77.5°F (25.3°C). Bethesda's May weather indicates a minor ascent in high-temperatures, adjusting from an agreeable 68.9°F (20.5°C) in April to a moderately hot 77.5°F (25.3°C). Weather in May »
Weather in June
The first month of the summer, June, is also a moderately hot month in Bethesda, Tennessee, with an average temperature fluctuating between 85.5°F (29.7°C) and 65.3°F (18.5°C). June witnesses a minor rise in the average high-temperature, transitioning from a moderately hot 77.5°F (25.3°C) in May to a still warm 85.5°F (29.7°C). Weather in June »
Weather in July
July is a tropical summer month in Bethesda, Tennessee, with temperature in the range of an average low of 68.5°F (20.3°C) and an average high of 87.4°F (30.8°C). July proves to be the warmest month, recording an average peak temperature of 87.4°F (30.8°C) and a minimum temperature of 68.5°F (20.3°C). For most parts of July, the heat index is calculated to be a very hot 102.2°F (39°C). Weather in July »
Weather in August
August, the last month of the summer in Bethesda, is also a hot month, with an average temperature ranging between min 67.6°F (19.8°C) and max 86.5°F (30.3°C). With the onset of August, Bethesda's average high-temperature clocks in at a still hot 86.5°F (30.3°C), showing a minor fluctuation from the previous month. Weather in August »
Weather in September
The first month of the autumn, September, is also a moderately hot month in Bethesda, Tennessee, with an average temperature ranging between max 81.3°F (27.4°C) and min 61.9°F (16.6°C). The shift into September finds Bethesda at an average high-temperature of a moderately hot 81.3°F (27.4°C), closely comparable to August's conditions. Weather in September »
Weather in October
October, the same as September, in Bethesda, Tennessee, is another pleasant autumn month, with temperature in the range of an average high of 69.4°F (20.8°C) and an average low of 50.2°F (10.1°C). Bethesda observes a minor decrease in the average high-temperature with the arrival of October, falling from September's warm 81.3°F (27.4°C) to an agreeable 69.4°F (20.8°C). Weather in October »
Weather in November
The last month of the autumn, November, is another refreshing month in Bethesda, Tennessee, with an average temperature varying between 57.2°F (14°C) and 40.5°F (4.7°C). In Bethesda, the average high-temperature in November decreases from a pleasant 69.4°F (20.8°C) in October to a moderate 57.2°F (14°C). Weather in November »
Weather in December
December, the first month of the winter in Bethesda, is also a frosty month, with an average temperature ranging between min 35.8°F (2.1°C) and max 49.1°F (9.5°C). A modest decline in the average high-temperature is seen during December, decreasing from a moderate 57.2°F (14°C) in November to a frosty 49.1°F (9.5°C). Weather in December »
[Resources]Frequently asked questions
What month is the coldest in Bethesda?
January is the coldest month, with an average high-temperature of 45.3°F (7.4°C) and an average low-temperature of 30.9°F (-0.6°C).
How much does it rain in Bethesda?
Throughout the year, in Bethesda, there are 141.9 rainfall days, and 17.32" (440mm) of precipitation is accumulated.
When does it snow in Bethesda?
Months with snowfall are January through March, November and December.
How many days does it snow in Bethesda?
In Bethesda, during the entire year, snow falls for 6.2 days and aggregates up to 0.67" (17mm) of snow.
When does it snow the most in Bethesda?
The months with the most snowfall are February and December, with an average 0.2" (5mm) of accumulated snow.
What is the month with the least sunshine in Bethesda?
February has the least sunshine of the year, with an average of 4.6h of sunshine.
When is Daylight Saving Time (DST) in Bethesda?
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Bethesda, and the time zone changes from CST to CDT. Daylight Saving Time ends Sunday, November 3. 2024, at 2:00 am, and the time zone reverts from CDT to CST.
When it does not snow in Bethesda?
April through October are months without snowfall.
When is the highest UV index in Bethesda?
The months with the highest UV index in Bethesda are May through August, with an average maximum UV index of 6.
When are the longest days in Bethesda?
June has the longest days of the year in Bethesda, Tennessee, with an average of 14h and 30min of daylight.
What month has the most sunshine in Bethesda?
The month with the most sunshine in Bethesda, Tennessee, is June, with an average of 10.5h of sunshine.
What is the hottest time of year in Bethesda?
In Bethesda, July records the average highest temperatures, peaking at 87.4°F (30.8°C) and reaching a low of 68.5°F (20.3°C).
What is the wettest month in Bethesda?
The month with the most rainfall is July, when the rain falls for 17.9 days and typically aggregates up to 2.17" (55mm) of precipitation.
What is the least humid month in Bethesda?
With an average relative humidity of 74%, October is the least humid month in Bethesda, Tennessee.
What is the driest month in Bethesda?
November is the month with the least rainfall in Bethesda. Rain falls for 7.2 days and accumulates 0.94" (24mm) of precipitation.
What is the most humid month in Bethesda?
With an average relative humidity of 80%, December is the most humid month in Bethesda.
What is the month with the shortest days in Bethesda?
December has the shortest days of the year in Bethesda, with an average of 9h and 48min of daylight.
What is the month with the lowest UV index in Bethesda?
December is the month with the lowest UV index in Bethesda, with an average maximum UV index of 2.
Average temperature
Bethesda, TN
The warmest month (with the highest average high temperature) is July (87.4°F).
The month with the lowest average high temperature is January (45.3°F).
The month with the highest average low temperature is July (68.5°F).
The coldest month (with the lowest average low temperature) is January (30.9°F).
Average pressure
Bethesda, TN
- Average pressure in January:
30.17"Hg - Average pressure in February:
30.13"Hg - Average pressure in March:
30.09"Hg - Average pressure in April:
29.99"Hg - Average pressure in May:
30"Hg - Average pressure in June:
29.97"Hg
- Average pressure in July:
30"Hg - Average pressure in August:
29.99"Hg - Average pressure in September:
30.03"Hg - Average pressure in October:
30.06"Hg - Average pressure in November:
30.16"Hg - Average pressure in December:
30.15"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.97"Hg).
Average wind speed
Bethesda, TN
- Average wind speed in January:
8.1mph - Average wind speed in February:
8.4mph - Average wind speed in March:
8.1mph - Average wind speed in April:
8.1mph - Average wind speed in May:
6.2mph - Average wind speed in June:
5.2mph
- Average wind speed in July:
4.6mph - Average wind speed in August:
4.6mph - Average wind speed in September:
5mph - Average wind speed in October:
6.4mph - Average wind speed in November:
7.1mph - Average wind speed in December:
7.9mph
The windiest month (with the highest average wind speed) is February (8.4mph).
The calmest months (with the lowest average wind speed) are July and August (4.6mph).
Average humidity
Bethesda, TN
The month with the highest relative humidity is December (80%).
The month with the lowest relative humidity is October (74%).
Average rainfall
Bethesda, TN
- Average rainfall in January:
1.3" - Average rainfall in February:
1.69" - Average rainfall in March:
1.06" - Average rainfall in April:
1.54" - Average rainfall in May:
1.42" - Average rainfall in June:
1.54"
- Average rainfall in July:
2.17" - Average rainfall in August:
1.85" - Average rainfall in September:
0.98" - Average rainfall in October:
1.5" - Average rainfall in November:
0.94" - Average rainfall in December:
1.34"
The wettest month (with the highest rainfall) is July (2.17").
The driest month (with the least rainfall) is November (0.94").
Average rainfall days
Bethesda, TN
- Average rainfall days in January:
8.7 days - Average rainfall days in February:
9 days - Average rainfall days in March:
13.1 days - Average rainfall days in April:
11.6 days - Average rainfall days in May:
15.2 days - Average rainfall days in June:
13.8 days
- Average rainfall days in July:
17.9 days - Average rainfall days in August:
14.4 days - Average rainfall days in September:
11.3 days - Average rainfall days in October:
9.4 days - Average rainfall days in November:
7.2 days - Average rainfall days in December:
10.3 days
The month with the highest number of rainy days is July (17.9 days).
The month with the least rainy days is November (7.2 days).
Average snowfall
Bethesda, TN
The months with the highest snowfall are February and December (0.2").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days
Bethesda, TN
- Average snowfall days in January:
1.5 days - Average snowfall days in February:
2.1 days - Average snowfall days in March:
1 days - Average snowfall days in April:
0 days - Average snowfall days in May:
0 days - Average snowfall days in June:
0 days
- Average snowfall days in July:
0 days - Average snowfall days in August:
0 days - Average snowfall days in September:
0 days - Average snowfall days in October:
0.2 days - Average snowfall days in November:
0.5 days - Average snowfall days in December:
0.9 days
The month with the highest number of snowfall days is February (2.1 days).
The months with the least snowfall days are April, May, June, July, August and September (0 days).
Average daylight / Average sunshine
Bethesda, TN
- Average daylight in January:
10h and 1min - Average daylight in February:
10h and 5min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 1min - Average daylight in May:
14h and 1min - Average daylight in June:
14h and 3min
- Average daylight in July:
14h and 2min - Average daylight in August:
13h and 3min - Average daylight in September:
12h and 2min - Average daylight in October:
11h and 2min - Average daylight in November:
10h and 2min - Average daylight in December:
9h and 5min
The month with the longest days is June (Average daylight: 14h and 30min).
The month with the shortest days is December (Average daylight: 9h and 48min).
- Average sunshine in January:
4h and 4min - Average sunshine in February:
4h and 4min - Average sunshine in March:
5h and 5min - Average sunshine in April:
8h and 5min - Average sunshine in May:
9h and 2min - Average sunshine in June:
10h and 3min
- Average sunshine in July:
10h and 2min - Average sunshine in August:
10h and 2min - Average sunshine in September:
8h and 4min - Average sunshine in October:
6h and 5min - Average sunshine in November:
5h and 4min - Average sunshine in December:
4h and 4min
The month with the most sunshine is June (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).
Average sunshine days
Bethesda, TN
- Average sunshine days in January:
20.2 days - Average sunshine days in February:
17.3 days - Average sunshine days in March:
15.8 days - Average sunshine days in April:
16.8 days - Average sunshine days in May:
13.6 days - Average sunshine days in June:
12.8 days
- Average sunshine days in July:
11.3 days - Average sunshine days in August:
14.3 days - Average sunshine days in September:
16.9 days - Average sunshine days in October:
20.3 days - Average sunshine days in November:
21.3 days - Average sunshine days in December:
18.5 days
The month with the most sunshine days is November (21.3 days).
The month with the least sunshine days is July (11.3 days).
Average UV index
Bethesda, TN
The months with the highest UV index are May, June, July and August (UV index 6).
The month with the lowest UV index is December (UV index 2).
Average cloud cover
Bethesda, TN
The month with the most cloud cover is February (Cloud cover 52).
The month with the least cloud cover is June (Cloud cover 29).
Average visibility
Bethesda, TN
The months with the highest visibility are January, February, March, April, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is May (5mi).
Bethesda, Tennessee, USA
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